Home / 3,091.41-4,631.69-2,574.72

Finding the Fourth Proportional to 3,091.41, 4,631.69 and 2,574.72

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Solution

The fourth proportional to 3,091.41, 4,631.69 and 2,574.72 is: 3,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.41 : 4,631.69 = 2,574.72 : x
  2. Step 2: Convert to fraction form
    3,091.41/4,631.69 = 2,574.72/x
  3. Step 3: Cross multiply
    3,091.41x = 4,631.69 × 2,574.72
  4. Step 4: Simplify right side
    3,091.41x = 11,925,303.58
  5. Step 5: Solve for x
    x = 11,925,303.58/3,091.41
  6. Step 6: Final answer
    x = 3,857.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.